Trolley-retriever.



, R. E. GEAR-HART.

TR OLLEY RETRIEVEB/ APPLICATION FILED OCT. 29. 1914.

' ATTORNEY I? 12%. a v

2 SHEETS-SHEET}.

Patented Dec. 7, 1915.-

V struction. o r V V, i. v

' With these object f n V wv i' it fi 'ROY E. GEARHART, OF'MARYVILLEQMISSOURI, ASSIGNORLBY DIRECT AND MEsuE M ASSIGNMENTS, T0 MORE-JONES, BRASS AND- MEtrALcoMPA Y', or ST. LOUIS, MIs-- 'soURI, A COBPORATIONVOF MISSOURI; i

rnot Ey-nnritmvnitl i 0 all whom it may concern:

Be "it known that I, ROY E; GEeiiHAR'r,

a citizen of the UnitedfStates,residing dHai-yviile; in the county of ;Nodawa=y and State of Missouri; have invented certain" new and useful Improvements in Trolley- Retrievers, of which the followingfis a specir ficationfl 9- i 1; Thig'invention relatesto trolleyretriever mounts and my object is to produce'anappliance of this character Wh'ich :Willj fper- F form its function efiiciently and canfbe re-- cocked easily and quickly reset in Opes;

ative relation'to the trolley Wire, a further object-being to pro'duce, a retriever-of simn pie, strong, durable, cOmpactE and cheap con consists iii certain novel'and[peculiar featrolley pole in vjoperative' relation to the'trol-p tu-res' of constructionfand orgaiiiiation" as hereinafter described and claimed and in order that'it may befully understood reiEJ-- V erence is to be had to the accompanying drawings; in*Which: 2 5

Figure 1,2is a side yi triever embodying 'myinvention'wlth" the ley WireQJFig. 2'; is an enlargeclftop plan View of the trolley retrieving; mount. Fig; 3, is a front ,viewwith the trolley polek-in section. Fig. 4," is a central vertical -longi tudinal section, the full lines showing the' I parts in normal position. Fig. 5,"is a simila)? view Withthe parts in the position they occupy just as cocked;

In the said drawings Where like reference characters indicate corresponding parts in all the figures, 'B' is a base adapted to be secured upon the top of a car-1n the cus-.

' tomaryor many other suitablemanner and resting'upon and rotatablysecured to the base :by means of thejpivot stem 1, is ajsu'p5 portffor frame comprising: a horizontal'botto n 2, a" pair of up'wardly projecting ears 3 at' the" rear'corners of thebottomfand an upwardly-projectingstandardA at the front Ien'd 5f the bottom, the standard being pro qidedwith a ver'ticzil slot'5, andcon'sti'tutg a shoulder and guide for ereina-ft'er described; i

" consisting of 'a bo'ttoni-fi; pivoted et its rear Specification of Letters Patent;

eW of a trolley rethetrigger is about to herethe trigger f v 1 Arranged Within the frame or support is Y a; trigger tripper of U-shape inside V ew,

"to d b e 3 f ars 3, and "pit: vldedat such end with a ,pair of upwardly projecting .8, and at its front end with I Patented Dec. 7, 1915. r v I Application filedjoctober 29, 1912i, seria1 1 r.'se9,'1e2. 1 i I air-"upwardly projecting -'arm 9,1 provided I with a recess lOt'o receive part of the trigger. Thebottom of the-trigger tripper fits loosely 'oni a Vertical pin 11 mounted in the botto'mof thesuppo'rt or frame, and a'spri'ngT 12vis'mounted on said 'pinland is arranged:

to exertzupward pressure thereon anddownward pressure on the trigger tripper for the purpose of'throWing' the latter to the" posif" 4 tiomshoWn-by dotted" line'siu jFig. 4 :for' tripping thetrigger as hereina-fterf appears.

Pivoted on a cross pin 13fconnecting' the 1' upper endseof" arms 8fofrthe trigger I trippe'r is a rock bar: 14 5c arrying-aftrolley-'pole?15 in' the usual or; any preferred manner, which pole isprovided?"as usual"with a "harp 16i. I Y n WlilCh *is io u'rnaled inr thekcustom'a'ryr man-5 v herthe trolley: wheel 11, for l engagement:

Withthe trolley -wirey r v I Theupper and f the rock'bar 3 the trolley poleis-i bifurcated and equipp d; With a cross pin 1 8; and arranged" in'szud' bifurcation is'the raisecliear en'div of a tri'g S O ger '19,*'the raised end 01"; the sar'ne ha ing e a longitudinal slot '20 looselj 'receiiring the pin'I-SJThe trigger isprovided' at 'itsffrontf end in a plane sub'st antia-llu I below-fits rear endi' with 1 an; 2l 'fextending through the recesslO of the-triggertripper and through the slotf5 ofthe" support oiffrainefiand said. I

arm is provided with: "forwardluyfacing'- shoulder 1 22 "for. normal engagement with the shoulder constituted'bv the-gum i of'thef support or frzim eYThe trigger is' also pro-i, 'vided 'rearward offthebarin 9 With-fa b'iiir'of a la terallxi projecting earsse e e-extending f slidinglv through said earsandthe'arm i); t

theses]: ends of said rods' b'ein'g secured rigidlyto" of the trigger trippeuis'afpair "rods? 2& extending parallel With'the trig er thelaterallii projecting earsyeaefz a' b'ar; 26 1 fitting between and "pivoted i at 27- to 4 lower end "of the'rock bar l4: Wh1 Ch "QciilrlQSQ pair of" coiledie'xpan the trollej' j poleg sion spr ngs 28 are mounted uponfrods" 24 j and: bear at-"their; opposlte ends 1 against the i ears 23 of'the'triggerand adjustable-'nuts i"'- 29," mounted on" the was 24", theiatteraisono,

carrying the' lock nuts F30" w guar'd- "against abnormal height referred to, removes most of-the' forward pressure; ofsaid springs on:

the:trigger,'a'nd as a result the latter is in I The partsstand substantially as shown in full lines Figs. 1 to 4 inclusive, when the trolley poleis engaged with.the wire, thesprings 28 being undertension: to hold the e trolley wheel pressed up against the wire through the rearward pressure applied by bar 26 on the lower end of the rock" barearrying the trolley pole. Should the trolley pole leave the wire, the pressureof the tensioned springs 28 applied through said bar 26 :and the rock bar 14, will swing the trolley pole upward as indicated by dotted lines in Fig. 1, the pin 18 moving. inoperatively forward in the trig er slot 20. I

The relaxation o the; springs 28 incident to their elevation of the trolley pole to the stantly trippedor unlocked from engage ment With the shoulder of the support'by the downward movementimparted ,to the front end of the trigger tripper by thepres sure of the spring 12 thereon, it being noted that the downward swing of the front end-- of the trigger tripper insuresthe lowering or tripping of the front end ofthe trigger because the rods 24 extendl through both the i e trigger tripper and the arms 23 ot the trigsliding action of the trigger is followed by the fall ofuthetrolley pole to' a plane below [that of the;wire,.the drop of the pole being limited andcushioned by the: springs 28 as the polein falling imparts simultaneous for ward sliding movement to bar 26' and rearward sliding movement'to-the" trigger, the last-namedmovement being. due to the fact that the cross pin 18-: comes into engagement with the rear end wall of the slot, 20.,gThe

entire operationtraced is sufiiciently rapid toisasure the drop of the pole before the car :dinary travel,- howevenrthe striking of the- 7 reaches a cross w-ireunlessthe car was with-- in a few: yards of such arwirewhen the trolley jumped-the wire. The-appliance there- 'fere guards against the wreckage offmore than-one cross wire and usually will avoid the wreckage of any such wire because" thedislod-gment of a trolley pole usually occurs in rapidtravel; on a straight course,

atthe' point where thevwireis attached to a support carried by across wire. Under or-' cross wire ,1 by the pole will not; injure either 66 a the wire or, the pole because at the saidcontaot occurs the spring pre sure tending to hold, thgpole upward is relaxed so that h p is e f i adow i ins nfly under the: resistance ,0 strikegi prfl, I a I.

1 a; cross wire whieh; it

5 til.

siderahle resistance to depression by s wire.-. r

pulled downward as -usual by a rope the pin 18 with the ront end-Wall offbar 26r Astheshoulder 22 attains the tion mentioned, the rearward pull UT 2 xlowed-fby a slight expansionof springs or firame as'shown;in Fig. 4, thapressure this 1 n d mo e nt z tr lley wheel, at] o the winsa position below the plane of'th'e' tro! ley wire, after which it ischecked and ioned by the engagement of cross pin with thefront'end of the slot of thetri as'hereinbefore explainedi g In the respect that the pole offers pra cally -no resistance to the cross wire Vwhic encounters, this appliance possesses a *cided 'a'd'vantage over the ordinary tro retriever, asin all-of such a pliances I which I ain familiar, the tro ley pole H T be pulled down and hence thereis an a ciable lapse oftime' before the trolley v i "depressed within which it may offer a To reset appliance,-the trolley ,po

shown) so that throu h the engage-mm 20,.thetrig ger will be drawn rearward; its shoulder 2 2;olears the front face ofsh ld r of he rp tzitpb g. ted i 1 r at the same time; the springs 28 are sioned through the forward movemen the: trigger and" the rearward. movement e r 8 1 t w W 9 I an hence through theffrods 24 swing; r end. o the tr gg s ipp k against the resistance of spring 12. Bel

tion of the pull on the rope is instantly.-

and through this action of saidispr-mgs pole starts upward andthe trigger is} rearward until its shoulder is again gagementwith the shoulder of the a the springs 28 being sufficient to "hold trigger in such position against an epressure exerted by the 're ati I wea erspring12r i 1 The pole is permitted to be'pressedfup; i springs 28. until it is reengaged with: trolley vwirewhen theoar is again ready 7 operation. Itis apparent that the sup or frame beingpivoted'on the base B is to turn to accommodate roundin e 1 and for reversing thetrolley p0 e .at 5? end-ofatrip. I

From the above description it will parent that; I have produced a trolls triever, embodyingithesfeatm'es'pfi I tage enumerated as desirable,.. and I tobe understood that while Lhave trated and described'the preferred ment of the same -I reserve the make all'changes falling, within andsoopeof the appendedclaims. I e 'aim 1 A- trolley retriever Q0 a q P t-a trigger, s ro r p yieldwfi forsimultaneously holding thetrigget mdihfl .i

, wardly'fagainst atrolley wire, a trigger t'ripper, a rod pivotally connected to-the pole and extending slidingly through the trigger and trigger tripper whereby pivotal pivotal movement of said trigger and trigger tripper in the event the trolley pole qumpsthe wire 1 Q 2. A trolley retriever, comprising a rotatable support, a trigger tripper pivotedthereoma V rock-bar fulcrumedonthe trigger tripperya trolley polevcarried by the rook-bar, atrigger.

having a pin-and-slot connection withgthe and slot" connection at its rear end with the trolley pole above the plane of the fulorum' point of the latter and extending through] said slot. of the support andprovidedwith a rock bar above the fulcrumpointfthereof and-a shoulderfor locking engagement withsaid support, a bar pivoted to therock-bar below its fulcrum point and provided witha rod extending slidingly through the trigger V and thetrigger tripper near, the free ends 7 thereof, a spring normally holding the f and the trigger tiripper, aspring mounted'on' trigger pressed forwardly and looked against the support andthe said barpressedrearwardly to hold the trolley pole in operative" position, and means exerting pressure to trip the trigger immediately the tension of said 'spring' is'relaxed. I v y 3. A trolley retriever, cOmprising'asuP- port provided at its front end'with avertical slot, a trigger tripper pivoted to the rear endof the support for'vertical swinge ing' action,'a trolley pole pivoted to the rear end of the trigger trlpper, a trigger having a pin and slot connectionat its rear end with the-trolley pole 'abovethe' plane of the fulcrum point v of the latter and extending through said slot of the support and pro vided with a shoulder, a bar pivoted at its Copies of this patent niay be obtained for of the slot of the same.

Witnesses rearendto the trolley pole below the ful- Y crum point thereof and extending slidingly i through-the trigger and triggeritripper, and

a spring mountedj'on said bar andj pressingi rearwardlythere0n and forwardly on the I I trigger to normallyhold the shoulder ofthe latter against said supportat the upper end 4:. A trolley retriever,

tical slot, a trigger trippen-pivoted to the of the trigger tripper, a trigger having a pin I o shoulder, a'bar pivoted at its rea-rend to the 'f said bar and, pressing rearwardly, thereon and'iforwardly ion the trigger to normally hold the shoulder of 'thelatter against said,

frontiend of the same and the front end of the said support;

In testimony whereof I atfix my signature linthe presence of two witnesses."

ROY GEARHART.

H. RoDGERgl V v i G. Y; THoRPE. =1

Comprising a sup port provided at its'front endwith a verthe trigger downward to effect disengage mentbetween' the' shoulder of the latter and v five cent s each, by addressing the Gom n 1issioner dr ma, a Washington, D. G. '7 I 

